<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div id="app">
    <span v-for="(item,index) in arr" :key="item">
   <input type="checkbox" v-model="newArr" :value="item"> {{item}}  
   </span>
   <ul>
    <li v-for="item in newArr">{{item}}</li>
   </ul>
  </div>
  <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
  <script>
    const vm = new Vue({
      el:'#app',
      data:{
        arr:["科幻", "喜剧", "动漫", "冒险", "科技", "军事", "娱乐", "奇闻"],
        newArr:[]
      },
    })
  </script>
</body>
</html>